御谷(Pennisetum glaucum)又称蜡烛稗、珍珠粟,原产非洲。属禾本科狼尾草属一年生草本。它具有抗寒、抗旱、耐高温、耐瘠薄等特点,在国外早已引起重视。印度次大陆许多地区把它作为主要粮食作物普遍栽培,美国近年来在干旱贫瘠地区引种栽培,也获得成功,并称为“抗高温干旱的勇士”,“属营养好的新作物”。在我国,河北等地虽早有引种, Royal Valley (Pennisetum glaucum), also known as candle barnyard pearl millet, native to Africa. An annual herbaceous grass genus Pennisetum. It has the characteristics of cold resistance, drought resistance, high temperature resistance, infertility, etc., which have drawn great attention in foreign countries. It has also been widely cultivated in many parts of the Indian subcontinent as a staple food crop. The United States has also introduced and cultivated it successfully in arid and barren areas in recent years and is also known as “Warrior Against Drought and Drought” and “New Nutritious New Crop.” In our country, Hebei and other places have long been introduced,